Home / 13,961.72-20,947.13-6,566.92

Finding the Fourth Proportional to 13,961.72, 20,947.13 and 6,566.92

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Solution

The fourth proportional to 13,961.72, 20,947.13 and 6,566.92 is: 9,852.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.72 : 20,947.13 = 6,566.92 : x
  2. Step 2: Convert to fraction form
    13,961.72/20,947.13 = 6,566.92/x
  3. Step 3: Cross multiply
    13,961.72x = 20,947.13 × 6,566.92
  4. Step 4: Simplify right side
    13,961.72x = 137,558,126.94
  5. Step 5: Solve for x
    x = 137,558,126.94/13,961.72
  6. Step 6: Final answer
    x = 9,852.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.